30c, Cymmer Street, Cardiff, CF11 7AB
About 30c
30c is a two-bedroom end-of-terrace house in Cardiff (CF11 7AB). It has a recorded floor area of 60 m² (around 646 sq ft), construction records dating it to before 1900 and council tax band B. At 60 m² this is the 10th smallest of 29 units on EPC record in the building, where floor areas span 32–175 m². The building's EPC ratings span F to C, with this unit at the top. The latest certificate (December 2019) shows a C (score 71). The rating has held steady at C across 3 certificates since December 2008. Between certificates, wall efficiency went from Very Poor to Poor, window efficiency went from Average to Good and lighting went from Very Poor to Very Good.
It hasn't traded since June 2006, a hold of 20 years that's notably long for the area. At 60 m² it sits well below the postcode median (94 m² across 28 EPCs), making it one of the more compact homes locally. Its energy rating outperforms most of the postcode (better than 86% of similar EPCs). On a £-per-square-foot basis, the last sale (£319/sq ft) was about 112.6% above the typical sold price in the postcode.
What this property has
Inside
- Bedrooms2
- Bathrooms1
- Open-plan layoutYes
- Dining roomYes
- FireplaceYes
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Wall insulation improved
Loft insulation upgraded to recommended levels
More low energy lighting installed
Heating controls changed
Window efficiency improved
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919 and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £885 · Includes VAT
Planning history
30c has no planning applications on record.
But the area is active
8 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
30c valuation sits well clear of the typical sold price in this postcode.
£214,000
Modelled from EPC, postcode comparables.
£206,000
Recorded with HM Land Registry.
Sales timeline
18 June 2006Most recent
£206,000
Median price across the last 5 sales in CF11 7AB: £270,000 (2024–2021).
Nearby sales in CF11 7AB
Versus other Cymmer Street homes
EPC Rating for 30c runs comfortably ahead of the street norm.
EPC Rating
71 (C)
Street avg 63 (D)
Floor Area
60 m²
Street avg 49 m²
CO₂ Emissions
2.1 t/year
Street avg 2.4 t/year
Habitable Rooms
3 rooms
Street avg 3 rooms
Similar properties nearby
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
9/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Cymmer Street — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







